<head>
    <style> body {margin:0;}</style>
    <script src="3d-force-graph.js"></script>
</head>
<body>
    <div id="3d-graph"></div>
    <script>
        const Graph=ForceGraph3D()
        (document.getElementById('3d-graph'))
        .jsonUrl('qsj.json')
        .nodeAutoColorBy('group')
        .linkOpacity(0.9)
        .nodeVal('nodesize')
        .nodeLabel('nodename')
        .onNodeClick(node=>{
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